darkcloud | d07c95e8960c8d0a4de79e97afbbb836d73b8869dda97917bce1d0fa4ef88195

Analysis

max time kernel
141s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 16:25

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General

Target

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
Size

981KB
MD5

11e3eec9035239203976f9847453ece4
SHA1

6198ac8abbf805341fe982dbb76f676fddb280bb
SHA256

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0
SHA512

0a3e247cd1168bb91a37b8dfe50a2f20f3ef0d81e4edfe3a209ed7badd9caacdc639e2d0285ddfcdb0a75eaf90d37b21c57c838264b3f3431f3a27c560d1ab14
SSDEEP

24576:bnOxmRc2cFD8ej9XqzazPMi9J3/KEYTVOSET:Cxm22c7XXN9J3fR

Score

10^/10

darkcloud discovery execution stealer

Malware Config

Extracted

Family

darkcloud

Attributes

email_from
[email protected]
email_to
[email protected]

Signatures

DarkCloud
An information stealer written in Visual Basic.
stealer darkcloud
Darkcloud family
darkcloud

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2832	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

description	pid	Process	procid_target
PID 2660 set thread context of 4088	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
624	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exepowershell.exe

pid	Process
2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
2832	powershell.exe
2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
2832	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

pid	Process
4088	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
Token: SeDebugPrivilege	2832	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

pid	Process
4088	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

description	pid	Process	procid_target
PID 2660 wrote to memory of 2832	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	90
PID 2660 wrote to memory of 2832	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	90
PID 2660 wrote to memory of 2832	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	90
PID 2660 wrote to memory of 624	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	92
PID 2660 wrote to memory of 624	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	92
PID 2660 wrote to memory of 624	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	92
PID 2660 wrote to memory of 4088	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	94
PID 2660 wrote to memory of 4088	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	94
PID 2660 wrote to memory of 4088	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	94
PID 2660 wrote to memory of 4088	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	94
PID 2660 wrote to memory of 4088	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	94
PID 2660 wrote to memory of 4088	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	94
PID 2660 wrote to memory of 4088	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	94
PID 2660 wrote to memory of 4088	2660	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	94

C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
"C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WPXnVudDPWDop.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2832
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WPXnVudDPWDop" /XML "C:\Users\Admin\AppData\Local\Temp\tmp431.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:624
- C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
  "C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:4088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dpknc3fk.iiy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp431.tmp

Filesize
1KB

MD5
01aa6573a2128f99b7d5662fc4d5b5cd

SHA1
3c0520f4e4fdbed1359e8566d1c30471e8597595

SHA256
4ab3b4d94c5a7b5b0f88dc76ee4df4738e4ece27a54c793fd0e9b6cff32188db

SHA512
600356af9a69738979f90ed1671ad6209ba14a21c19cef7fca1cc3cebb0e3ae2fc3bf173f59a60e04fde654e799af226ab52746b22a81f0fdda913b228e6f325

Download Submit
memory/2660-6-0x0000000005220000-0x00000000052BC000-memory.dmp

Filesize
624KB

Download
memory/2660-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/2660-4-0x0000000004F90000-0x0000000004F9A000-memory.dmp

Filesize
40KB

Download
memory/2660-5-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2660-2-0x0000000005570000-0x0000000005B14000-memory.dmp

Filesize
5.6MB

Download
memory/2660-7-0x0000000006340000-0x000000000635A000-memory.dmp

Filesize
104KB

Download
memory/2660-8-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/2660-9-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2660-10-0x0000000006380000-0x0000000006440000-memory.dmp

Filesize
768KB

Download
memory/2660-39-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2660-0-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/2660-1-0x0000000000410000-0x000000000050C000-memory.dmp

Filesize
1008KB

Download
memory/2832-35-0x0000000005ED0000-0x0000000006224000-memory.dmp

Filesize
3.3MB

Download
memory/2832-56-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/2832-20-0x0000000005DF0000-0x0000000005E56000-memory.dmp

Filesize
408KB

Download
memory/2832-19-0x0000000005D50000-0x0000000005D72000-memory.dmp

Filesize
136KB

Download
memory/2832-22-0x0000000005E60000-0x0000000005EC6000-memory.dmp

Filesize
408KB

Download
memory/2832-17-0x0000000005720000-0x0000000005D48000-memory.dmp

Filesize
6.2MB

Download
memory/2832-70-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2832-67-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2832-16-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2832-15-0x0000000002BC0000-0x0000000002BF6000-memory.dmp

Filesize
216KB

Download
memory/2832-40-0x00000000064D0000-0x00000000064EE000-memory.dmp

Filesize
120KB

Download
memory/2832-41-0x0000000006500000-0x000000000654C000-memory.dmp

Filesize
304KB

Download
memory/2832-42-0x000000007F440000-0x000000007F450000-memory.dmp

Filesize
64KB

Download
memory/2832-43-0x0000000006AA0000-0x0000000006AD2000-memory.dmp

Filesize
200KB

Download
memory/2832-44-0x00000000751E0000-0x000000007522C000-memory.dmp

Filesize
304KB

Download
memory/2832-21-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2832-55-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/2832-54-0x0000000007490000-0x00000000074AE000-memory.dmp

Filesize
120KB

Download
memory/2832-57-0x00000000074C0000-0x0000000007563000-memory.dmp

Filesize
652KB

Download
memory/2832-58-0x0000000007E40000-0x00000000084BA000-memory.dmp

Filesize
6.5MB

Download
memory/2832-59-0x00000000077F0000-0x000000000780A000-memory.dmp

Filesize
104KB

Download
memory/2832-60-0x0000000007870000-0x000000000787A000-memory.dmp

Filesize
40KB

Download
memory/2832-61-0x0000000007A70000-0x0000000007B06000-memory.dmp

Filesize
600KB

Download
memory/2832-62-0x00000000079F0000-0x0000000007A01000-memory.dmp

Filesize
68KB

Download
memory/2832-63-0x0000000007A20000-0x0000000007A2E000-memory.dmp

Filesize
56KB

Download
memory/2832-64-0x0000000007A30000-0x0000000007A44000-memory.dmp

Filesize
80KB

Download
memory/2832-65-0x0000000007B30000-0x0000000007B4A000-memory.dmp

Filesize
104KB

Download
memory/2832-66-0x0000000007B10000-0x0000000007B18000-memory.dmp

Filesize
32KB

Download
memory/4088-29-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4088-30-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4088-71-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download